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305466 (2008 DW33)
Classification: Main-belt Asteroid          SPK-ID: 2305466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08030952313624309 5.6272e-08  
a 3.05840085002906 4.3236e-08 au
q 2.812782136203746 1.6667e-07 au
i 10.47008793727088 5.6195e-06 deg
node 121.5381303199454 3.4471e-05 deg
peri 24.64316533876467 5.0004e-05 deg
M 112.0987272764438 3.799e-05 deg
tp 2458392.171425768420
(2018-Sep-30.67142577)
0.00020298 TDB
period 1953.619742562311
5.35
4.1427e-05
1.134e-07
d
yr
n .1842733220579735 3.9075e-09 deg/d
Q 3.304019563854375 4.6708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      8224 days (22.52 yr)  
   first obs. used      1997-01-17  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60437  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:46  

Additional Information
 Earth MOID = 1.82925 au 
 Jupiter MOID = 1.73494 au 
 T_jup = 3.204 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO433968  

305466 (2008 DW33)          Discovered 2008-Feb-27 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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